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2231201441 = 7318743063
BaseRepresentation
bin1000010011111101…
…0110111010100001
312202111101202222102
42010333112322201
514032141421231
61005222220145
7106201620320
oct20477267241
95674352872
102231201441
11a45500737
12523284655
13297337451
141724800b7
15d0d31acb
hex84fd6ea1

2231201441 has 4 divisors (see below), whose sum is σ = 2549944512. Its totient is φ = 1912458372.

The previous prime is 2231201429. The next prime is 2231201459. The reversal of 2231201441 is 1441021322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2231201441 - 226 = 2164092577 is a prime.

It is a super-3 number, since 3×22312014413 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231201461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159371525 + ... + 159371538.

It is an arithmetic number, because the mean of its divisors is an integer number (637486128).

Almost surely, 22231201441 is an apocalyptic number.

It is an amenable number.

2231201441 is a deficient number, since it is larger than the sum of its proper divisors (318743071).

2231201441 is an equidigital number, since it uses as much as digits as its factorization.

2231201441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318743070.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2231201441 is about 47235.5950634688. The cubic root of 2231201441 is about 1306.7111410296.

Adding to 2231201441 its reverse (1441021322), we get a palindrome (3672222763).

The spelling of 2231201441 in words is "two billion, two hundred thirty-one million, two hundred one thousand, four hundred forty-one".

Divisors: 1 7 318743063 2231201441